{"id":59,"date":"2007-07-17T17:46:42","date_gmt":"2007-07-17T15:46:42","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/59\/free-cooling-e-risparmio-energetico-parte-2\/"},"modified":"2007-08-03T01:47:47","modified_gmt":"2007-08-02T23:47:47","slug":"free-cooling-e-risparmio-energetico-parte-2","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/59\/free-cooling-e-risparmio-energetico-parte-2\/","title":{"rendered":"Free cooling e risparmio energetico (parte 2)"},"content":{"rendered":"<p>continua da<\/p>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/7\/free-cooling-e-risparmio-energetico-1\/\">Free cooling e risparmio energetico (parte 1)<\/a><\/p>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2007\/07\/plc.jpg\" title=\"PLC control\"><img decoding=\"async\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2007\/07\/plc.thumbnail.jpg\" alt=\"PLC control\" \/><\/a><\/p>\n<p>Abbiamo visto ultimamente come poter realizzare un sistema di <strong>free cooling<\/strong>, con relativi benefici a livello energetico.<br \/>\nRimane ovviamente da considerare come poter automatizzare il tutto senza troppa fatica.<br \/>\nOrmai le soluzioni per <strong>automatizzare e\/o parzializzare<\/strong> un sistema di raffreddamento con free cooling, sono molteplici e permettono livelli di regolazione estremamente sofisticati.<\/p>\n<ul>\n<li><strong>Soluzione base<\/strong><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2007\/07\/tcfc_landscape.jpg\" title=\"TCFC\"><\/a>Un sistema \u201cbasico\u201d, semplice ed affidabile, prevede in pratica un <strong>regolatore a doppia sonda<\/strong>, che permetta la verifica della <strong>differenza di temperatura tra l\u2019ambiente ed il fluido da raffreddare<\/strong>.<br \/>\nIn pratica lo strumento rileva la temperatura ambiente e la temperatura del fluido (acqua) da raffreddare, se la <em>temperatura dell\u2019aria \u00e8 pi\u00f9 bassa di quella dell\u2019acqua da raffreddare<\/em>, pilotando una opportuna <strong>valvola a tre vie<\/strong> deviatrice, <em>continua a far funzionare il ciclo di free cooling<\/em>.<br \/>\nQuando la <em>temperatura dell\u2019aria ambiente sar\u00e0 pi\u00f9 calda di quella dell\u2019acqua da raffreddare<\/em>, <strong>devier\u00e0<\/strong> l\u2019acqua direttamente sul <strong>chiller<\/strong>, <em>bypassando il sistema di free cooling<\/em> (che altrimenti diventerebbe un sistema di free heating).<!--more--><\/p>\n<p>Da qui in avanti ci sono tantissimi livelli di automazione e regolazione pi\u00f9 sofisticati, ma per la maggior parte delle applicazioni su processi industriali, questo tipo di soluzione \u00e8 la pi\u00f9 <strong>semplice ed efficace<\/strong>. Nel caso il tipo di impianto fosse decisamente pi\u00f9 sofisticato, esiste una\u2026<\/p>\n<ul>\n<li><strong>Soluzione avanzata<\/strong><\/li>\n<\/ul>\n<p>Per sistemi complessi ed articolati, la soluzione pi\u00f9 <strong>facile da implementare<\/strong>, per gestire il tutto, passa ancora una volta per un <strong>PLC<\/strong>.<br \/>\nQuesti sistemi che qualche tempo fa incutevano timore a livello di impatto economico, ormai sono alla portata anche di impianti di livello contenuto.<br \/>\nInfatti con un semplice <strong>PLC base<\/strong>, si possono gestire segnali in ingresso ed in uscita che permettono, grazie ad un <strong>minimo sviluppo di software<\/strong> dedicato, una <strong>gestione molto sofisticata e personalizzata del funzionamento<\/strong>, con un impatto economico sicuramente abbordabile.<\/p>\n<ul>\n<li><strong>Per chi sono fatti<\/strong><\/li>\n<\/ul>\n<p>Certo un sistema <strong>PLC non va<\/strong> a mio modesto parere, integrato in una <strong>soluzione semplice e basica<\/strong> (per la quale rimandiamo alla prima soluzione), in quanto il risultato finale sarebbe quello di confondere e complicare inutilmente.<br \/>\nViceversa dove \u00e8 richiesto un livello di controllo pi\u00f9 elevato, <strong>con diversi segnali da controllare<\/strong>, la logica di un <strong>PLC<\/strong> sicuramente aiuta a <strong>semplificare ed adattare alle esigenze del cliente<\/strong>.<\/p>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2007\/07\/tcfc_landscape.jpg\" title=\"TCFC\"><img decoding=\"async\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2007\/07\/tcfc_landscape.thumbnail.jpg\" alt=\"TCFC\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Free Cooling: applicazione di PLC per il raffreddamento di impianti industriali.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,6,8],"tags":[],"class_list":["post-59","post","type-post","status-publish","format-standard","hentry","category-energia-termica","category-free-cooling","category-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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